The graph illustrates the way weight changes with mass on planet P and on planet Q. An object has a weight of $400\,\text{N}$ on planet P. The object is then moved to planet Q. Which row is right?
- Amass of object on planet Q: $40\,\text{kg}$; weight of object on planet Q: $200\,\text{N}$
- Bmass of object on planet Q: $40\,\text{kg}$; weight of object on planet Q: $400\,\text{N}$
- Cmass of object on planet Q: $80\,\text{kg}$; weight of object on planet Q: $200\,\text{N}$
- Dmass of object on planet Q: $80\,\text{kg}$; weight of object on planet Q: $400\,\text{N}$